Sectional retort for retort kilns



Oc't. 12 1926.

' 1,602,678 R. s. KENT SECTIONAL RETORT FOR RETORT KILNS Filed Jam4 1921 Patented Oct. 12, 1926.

UNITED STATES 1,602,678 PATENT oserei-1.7

ROBE'RTSAYRE KENT, oF BRooKLYN, 'NEW'YORK `Applicationfiled-Tamxary 6, 1921. Serial 11a-435,540.

l of a portion of-a retort kiln equipped lwith the novel sectional tubular retort members made-accordingto and embodying the principles' of the present invention.

Figure 2 is a detail horizontal section through one of said novel sectional retort members, taken on line 2+-2 in said Figure 1, and ydrawn on an`enlar-ged scale.

` Figure 3 is a top e'ndv-iew ofthe bottom section of one of said'novel sectional retort 7 members,'showing the couplingjoint whereby connection of the same with aremovable 'top section ot the retort-member 1s made, said View being r`also drawn on an enlarged i scale.

Similar characters `ofy reference are emlploy-ed in'allof the above y'described views, to indicate corresponding parts.

Referring n'owfto4 said drawings, the reference character 1 indicatesia suitable housing,

usually constructed of brick. lLocated within the upper centralportion of said housing 1 is a combustion chamber 2` enclosed bythe side walls', top varch 4 yand-.floor wall 5. Arranged beneath said 4loorwall vare air 'boxes '6 which 'gain communication with said combustion chamber through said oorlwall, so that a vsupply of air'to-supportthe comhustion of fuel within said combustion cham-I ber is delivered to the latter. -Located within'said housing 1, `between the outer walls vthereof andtheside walls `3 vof said combus- `tion chamber 2 are vertical retort chambers 7. Disposed within said retort chambers 7 areaseries ofsectional tubular retort mem- `bers, 'which extend vertically through said retort chambers 7, and which are 'suitably spaced apart one from another. Said sectional retort members comprise a bottom or lower section 8 and a top or upper section 9. The lower ends of said bottom sections 8 are supported by and connectedwith bottom closures or caps 10, which are seated upon Vthe. floor 11 ot the kiln, said bottom closures or caps 10 having downwardly projecting discharge` spouts 12, with' which are connectedthe cooler tubes 13 into which the material treated in the retorts is discharged. The upper `end of said bottom retort section 8 is provided with an upwardly extending Aoutwardly off-set annular coupling flange 14 which .provides an internal-seating shoulder 15 vatiits point of juncture with the main 'body of said bottom retort section. `The Alowerend-oi the-upper retort section f-9 fits t-elescopically into said coupling lflange 14 and seats itself, in supported relation to said bottom retort section .8, Y'upon said-internal seating shoulder 15. When thus coupled with said bottom retort section 8, theiupper retort section 9 extends upwardly through said retort chamber '7 :invlongitudinal 'vertical alinement with said bottom retort secA tion. Supported in connect-ion with the upper Vend of said retort chamber`7 yare cover members 16vwith which theupper ends of said upperretortsect-ions v9 are engaged, so as'to communicate with the intake passages or openings 17 of lsaid cover members.

Arran-ged aboveithe series or*` gang of retort `members fandtheir 'cover members are 'materialireceivin'g and feed hopp-ers 18y which deliver-the materialto be treated through the cover/member intake .passages ror.openings 17 into the retort members. Arranged Withi-nlthe upperfportion of each upper retortsection '9'is a vapor collector devicev19, t-he upper discharge .endl of which is suitablyconnected in communication with the "intakesfof a system Aof vapor vent or discharge `pipes y20. v l.

Said upper retort `sectionsQ are provided "-adjacentto rtheir upper ends with exterior annular `flanges-21- Said flanges 21 in conjunction .with suitable supporting. ledges22 provided onthe walls 'of the housingenclosling said retort chamber 7 serve rto support the'bricks orgmembers of an upper batlie wall 23. ySaid bottomretort lsections 8 .arelikevwise; provided adjacent to their upper ends, but ybeneath said- Iflanges 14, with similar eX- vterior annular flanges 24. Said-flangesl24 lYin `c oniunction ywith suitable supporting vledges'25ifprovided on the wallsoi' thehousing enclosing said retort chamber 7, serve to support the bricks or members ot a lower baffle wall 26. Said baille walls 23 and 26 enclose that portion of the retort chamber 7 in which are located the upper retort sections 9, wherein the material is first received for treatment and against which it is desired to direct the gases of combustion when it their high-est temperature.

The products or gases of combustion generated within the combustion chamber 2 pass into the upper ends ot the retort chambers 7, beneath the upper baiiie wall 23, through entrance ports 27 provided in the side walls 3 of said combustion chamber. The products or gases oi.'l combustion thus delivered circulate around the upper retort sections S), and thence ilow downwardly through intermediate ports 28 in the lower bafiie wall 26 to thereupon circulate around the bottom retortsections 8, thence escaping through the discharge ports 29 leading to the furnace iiues 30, and thence to the stack conduit 3l, all as indicated by the direction arrows applied to Figure l of the drawings.

As above mentioned the retort members are subjected to the most intense degree oi heat at their upper portions, which are lo.- cated in the upper ends of the retort chant ber 7 between the baii'le walls 23 and 2G, since the hot and fresh gases of combustion flowing from the combustion chamber 2 through the ports 27 gain their first contactwith the retort members at such points. It iollows,

therefore, that the said upper portions oithe retort members are most likely to be burned through or injured long before the lower portions suffer -any such injury. In the old style unitary tubular retort structures, when such injury to the retort members occurred, it was necessary to practically dismantle the retort kiln in order to make repairs or replacements. lilith the sectional style oi' retort members, such as the present invention contemplates, and such as is above described, upon the occurrence of any injury or burning` of the upper retort sections 9, the same may be removed by uncoupling it from the bottom section without necessity ot disturbing the latter and its connections, or removing the lower baiiie wall 26. In such case, the proper cover members are removed together with the vapor collector, and the immediately surrounding portions of the batlie wall 23, and thereupon the injured upper retort section 9 may be removed, re paired and replaced, or a new upper retort section replaced therefor, with aminimum loss of time, labor and expense; and furthermore prolonged eilicient use of the lower retort sections may be attained. My present invention, therefore, while of a comparatively simple nature mechanically, is one of considerable utility, novelty and value with relation to retort kilns of the kind described.

I claim l. The combination with a retort kiln housing' having a combustion chamber and a heating chamber, a separating side wall intermediate said combustion chamber and said heating chamber, a` vertical sectional retort member extending through said heating chamber comprising a bottom section and a separable top section, transverse baille wall adjacent to the upper end ot said top retort section to close the upper end oi said heating chamber, asecond transverse baille wall adjacent to the upper end ot said bottom retort section to provide an upper heating Zone and a lower heating zone, said second battle wall having an opening ailording communication between said upper and lower heating Zones, said side wall having an entrance port affording comn'iunication between said combustion chamber and said upper heating Zone to iirst direct the products oit combustion trom the combustion chamber into said upper heating' zone, and said top retort section being detachable from said bottom retort section tor removal and replacement independently of the latter.

2. rlhe combination with a retort kiln housing having a combustion chamber' and a heating chamber', a separating side wall intermediate sai-d combustion chamber and said heating chamber, a vertical sectional retort member extending through said heating chamber comprising 'a bottom section and a separable top section, a transverse batiie wall adjacent to the upper end of said top retort section to close the upper end ot said heating chamber, a second transverse baille wall adjacent to the upper end of said bottom retort section to provide an upper heating Zone and a lower heating Zone, said second baille wall having an opening aiiording communication between said upper and lower heating Zones, said side wall having an entrance port aiilording communication between said combustion chamber and said heating zone to iirst direct the products ot' combustion from the combustion chamber into said upper heating Zone, said bottom rctort section having at its upper end above said second baiile wall a `longitudinally projecting and outwardly oiii-set coupling flange providing an internal seating shoulder, and the lower end oi:l said top retort section being adapted to telescope into said flange and seat itself o-n said shoulder to hold said top section in vertically alined detachably connected relation to said bottom section and located with said upper heating Zone.

In testimony, that I claim the invention set forth above I have hereunto set my hand this 31st day oi December, 1920.

ROBERT SAYRE KENT, 

